解题方法
1 . 已知
是
所在平面内一点,
,则下列命题是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40136444841627bab3110625eaebaff2.png)
A.![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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解题方法
2 . 下列命题是真命题的是( )
A.若![]() ![]() ![]() |
B.若直线![]() ![]() ![]() |
C.若平面![]() ![]() ![]() ![]() |
D.正方形的直观图还是正方形 |
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解题方法
3 . 在2024年高校自主招生考试中,高三某班的四名同学决定报考
三所高校,则恰有两人报考同一高校的方法共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
A.9种 | B.36种 | C.38种 | D.45种 |
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解题方法
4 . 下列选项正确的有( )
A.若![]() ![]() ![]() |
B.复数![]() ![]() ![]() ![]() ![]() ![]() |
C.若复数![]() ![]() ![]() ![]() |
D.若复数![]() ![]() ![]() |
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5 . 人们发现,可以通过公式
来求方程
(
均为正实数)的正实数根.例如,方程
的正实数根为
,我们知道
是
的唯一正实数根,所以
,这里规定
.根据以上材料可得
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d63ca557a72dca6d8e6fd1292cc938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bd63762e6bc365c2fa3f9c2387e46c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad71356dc416a3d67dd0287fe1d08c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b863de54fe9b9d5191d23ff8e23ac42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad71356dc416a3d67dd0287fe1d08c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd779c16bcc1a432eee1bb797faea3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d70c1b3cd248c4d0c6c900dae59bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fddef4c3aade36a03ea32ba7ae8633a.png)
A.3 | B.6 | C.9 | D.4 |
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解题方法
6 . 如图所示的几何体是由圆锥
与圆柱
组成的组合体,其中圆柱的轴截面
是边长为2的正方形,圆锥的高
,M为圆柱下底面圆周上异于A,B的点.
∥平面
;
(2)若
,求直线
与平面
所成角的正切值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a8c34f622f1b979feed5ae6ae5d0e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0a4f38420bb9215dbc9c875b755838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55a6b8045f2d6429ac49997c1124a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08452588675f76da2f8d31387b3a8224.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b10c2bc31ab83c89237b93159ae64c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08452588675f76da2f8d31387b3a8224.png)
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解题方法
7 . 已知函数
的图象与
轴交于点
,且在
处的切线方程为
,记
.(参考数据:
).
(1)求
的解析式;
(2)求
的单调区间和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc05f752a777614011647451889874cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a87dbf8a0849b60206932ca8e8401af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2b2f10a84d9700f906e4f8f74b0817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7843538ce5376655b5d4f269798af5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
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解题方法
8 . 已知
两个盒子中各有一个黑球,一个白球.每次从两个盒子中各随机取出一个小球交换后放回.记
次交换后,
盒子中有一黑一白两个小球的概率为
盒子中黑球的个数为
.
(1)求
;
(2)求
的数学期望
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f78093af1942339f74a1ec6e99aaab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6522c8c52be9ae43994b0cfccaa887f.png)
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解题方法
9 . 已知集合
(其中
是虚数单位)
,定义:
,
.
(1)计算
的值;
(2)记
,若
,且满足
,求
的最大值,并写出一组符合题意的
、
;
(3)若
,且满足
,
,记
,求证:当
时,函数
必存在唯一的零点
,且当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531f55c9de4647282bc0424a81f4fd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddb621d78a738eba6ebafecbbd7d06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47aa3fcf666d1169ceca5e1e720b926e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccc73232efc9d641adcbae21035944.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ff8b406a295a58f4fbb36b4c292fa.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be674fcbd2fd1a608fd4a9705c70db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e7c6170cd75c5a40d7e695eda15e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e95d018246b699601d127e79ec46131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f82089a3186fdffaa2535faebd3d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f7d480cfc89b872404666083e62db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546ababc482b51df95c4aba05ee18c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d828db2a08e2a1da164a0012cc6627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d5ec74c81f7d02f273f7eecefaf9a7.png)
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10 . 如图,一个椭圆形花坛分为A,B,C,D,E,F六个区域,现需要在该花坛中栽种多种颜色的花.要求每一个区域种同一颜色的花,相邻区域所种的花颜色不能相同.现有5种不同颜色(含红色)的花可供选择,B区域必须种红花,则不同的种法种数为( )
A.156 | B.144 | C.96 | D.78 |
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